Ecology

persone sempre piu alte

Is it true that people are getting taller and taller? On average, yes and the MC3R receptor is involved

THE’humanity has physically transformed over the centuries and one of the most evident changes concerns theprogressive increase in average height. We have gradually become taller, especially over the years last 150 years. This phenomenon, attributed to genetic and environmental factorsis mainly influenced by improvements in the nutritionaccess to health services and of living conditions. A recent study, then, published in ...

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What is glass ceramic, how is it produced and why is it also used for hobs

There glass ceramic it’s a polycrystalline material shatterproof and corrosion resistant, developed in 1952 due to a malfunction of the thermostat of a furnace that brought the glass inside it above 1000 °C. Chemist SD Stookey found the glass covered with a fine white layer and observed that it did not exhibit the characteristic brittleness of glass. This is how ...

Diversi tipi di farina

What is the difference between type 00, 0, 1 and 2 flour? Change the degree of sophistication

There are many variations of flour derived from wheat on the market, but the distinction is not always so clear. In reality, the initial product is always the same: soft wheat, Triticum aestivumwhich goes through various milling and sieving processes, during which some parts of the wheat grain are eliminated. What is therefore changing is the degree of refinement: a ...

10 parole inglesi che non esistono o usiamo nel modo sbagliato

10 English words that we invented in Italy or that we use in the wrong way

THE’English it is a language that now pervades our daily lives: from social media to films, from songs to work terminology. Many now English words or of English-speaking origin have entered theItalian daily use. However, several of these are used completely wrongand some were even created by us, despite not existing in English, influenced by their use in spoken language ...

storia biblioteca alessandria

Who destroyed the Library of Alexandria, the largest in antiquity, and what did it contain?

There library of Alexandria was probably one of the greatest cultural centers of the ancient world. The building was built in Alexandria, Egypt in the course 3rd century B.Cduring the reign of Ptolemy II (284-246 BC), second pharaoh of the Ptolemaic dynasty, i.e. the dynasty of Macedonian origin who took control of Egypt after the death of Alexander the Great. ...

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Why does the fridge have difficulty opening after closing it?

Have you ever wondered why the fridge door always seems harder to open if we try to do it a few seconds after closing it? This is a very common “problem”, which has in no way to do with the quality of the refrigerator, but more with the physics and the shape of the appliance, which favors the escape of ...

mondo minecraft

How big is the Minecraft world? More than 7 times the size of planet Earth

With over 300 million copies, Minecraft – sandbox video game developed by Markus Persson – is the best-selling video game in history and part of its success is undoubtedly linked to the very particular game world, composed entirely of cubes and modifiable in every aspect. These digital universes seem infinite, but they are not: in Minecraft every world measure 59,999,968 ...

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Radar jamming, what it is and how radar jamming of military aircraft can affect civilian ones

With armed conflicts on the rise in various parts of the world, the disturbance of radar signals of aircraft has become increasingly common: this technique of electronic attacks takes the name of radar jamming (literally “radio confusion”) and is used above all in the military sector to create interference and confuse enemy radars, making localization difficult precision of the aircraft. ...

mondo tempo del sogno australia aborigeni

Dreamtime, what is the Dream World of the Australian Aborigines

The Dreamtime (or Dreaming), in Italian called “Dream Time” or “Dream World”is one of the foundations of Australian Aboriginal cosmologystudied over time by numerous anthropologists and others (Stanner, Lévi-Strauss, Chatwin etc.). It is often defined as a simple form of religion, but in reality it represents a deep and complex belief systemwhich interweaves mythology, spirituality and perception of reality. The ...